CN218841625U

CN218841625U - AGV lifting mechanism and AGV dolly

Info

Publication number: CN218841625U
Application number: CN202223177803.3U
Authority: CN
Inventors: 李特; 郭建红
Original assignee: Jiashun Intelligent Robot Shenzhen Co ltd
Current assignee: Jiashun Intelligent Robot Shenzhen Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-11
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to an AGV lifting mechanism and an AGV trolley, wherein the AGV lifting mechanism comprises a bracket, a bearing platform, a lifting roller component and a driving component, and a stand column is arranged on the bracket; the bearing platform is vertically and slidably arranged on the upright post and is provided with a wedge-shaped block with a downward inclined surface; the lifting roller assembly comprises a supporting seat and a roller, the supporting seat is transversely arranged on the bracket in a sliding manner, the roller is abutted against the inclined surface of the wedge-shaped block, and the supporting seat is provided with a nut seat; the driving assembly comprises a motor, a speed reducer, a transmission assembly and a screw rod, the motor is connected with the transmission assembly through the speed reducer, the screw rod is rotatably installed on the support and penetrates through the nut seat, one end of the screw rod is connected with the transmission assembly, the motor drives the supporting seat to transversely slide on the support along the screw rod, and the idler wheel rolls along the inclined plane of the wedge block to enable the bearing platform to vertically slide along the stand column. The utility model discloses a AGV lifting mechanism operates steadily, speed is adjustable, can the bearing platform of stable support, prevents the condition of slope, guarantees security and the smoothness nature of butt joint in the transportation process.

Description

AGV lifting mechanism and AGV dolly

Technical Field

The utility model relates to an automatic guide transport vechicle technical field, in particular to AGV lifting mechanism and AGV dolly.

Background

An AGV (automatic Guided Vehicle) is a transport Vehicle equipped with an electromagnetic or optical automatic guide device, which can travel along a predetermined guide path and has various transfer functions and safety protection. The automatic guided vehicle has the advantages of saving labor and reducing cost, along with high efficiency, rapidness, flexibility and the like, and greatly improves the production efficiency and the automation degree, so that the AGV trolley becomes one of main devices of a logistics transportation carrier.

The lifting mechanism of the AGV trolley realizes the operation in the Z-axis direction, the AGV trolley adopts a hydraulic lifting mode at present, the lifting efficiency of the lifting mechanism is lower, the structure is heavy, the difference of the lifting speed can be enlarged along with the aging of an oil cylinder, an oil pipe and the like, when heavy equipment needs to be carried, the inclination condition is easy to occur, the operation of the whole lifting process is unstable, and the safety and the smoothness in the butt joint conveying process are influenced.

Therefore, the prior art has yet to be developed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing deficiencies of the prior art, an object of the present invention is to provide an improved AGV lifting mechanism and AGV cart.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides an AGV lifting mechanism, which comprises a bracket, wherein the bracket is provided with a stand column;

the bearing platform is vertically and slidably arranged on the upright post, and is provided with a wedge-shaped block with a downward inclined surface;

the lifting roller assembly comprises a supporting seat and a roller which is rotatably arranged on the supporting seat, the supporting seat is transversely arranged on the bracket in a sliding manner, the roller is abutted against the inclined surface of the wedge-shaped block, and a nut seat is arranged on the side surface of the supporting seat;

drive assembly, drive assembly includes motor, speed reducer, drive assembly and lead screw, the output shaft of motor passes through the speed reducer with drive assembly's input shaft, the lead screw rotate install in on the support and wear to establish nut seat, the one end of lead screw with drive assembly's output shaft, motor drive the supporting seat along the lead screw in lateral sliding on the support, the gyro wheel along the inclined plane roll of wedge, so that load-bearing platform along stand vertical slip.

Furthermore, the bracket is provided with a mounting seat, two ends of the screw rod are rotatably mounted on the mounting seat through bearings respectively, and the front end and the rear end of the mounting seat are provided with check blocks respectively for limiting the moving range of the nut seat.

Further, the transmission assembly comprises a driving gear and a driven gear which are meshed with each other, the driving gear is fixedly connected with an output shaft of the motor, and the driven gear is fixedly connected with one end of the screw rod.

Furthermore, a first slide rail is arranged on the upright post, a first slide block is arranged on the bearing platform, and the first slide block and the first slide rail are matched to slide.

Furthermore, a second sliding rail is arranged on the support, a second sliding block is arranged on the supporting seat, and the second sliding block and the second sliding rail slide in a matched mode.

The utility model also provides a AGV dolly, include as before AGV lifting mechanism.

The utility model discloses beneficial effect that technical scheme has:

the utility model discloses utilize motor drive supporting seat along the lead screw lateral sliding on the support for the gyro wheel rolls along the inclined plane of wedge, so that load-bearing platform along the vertical slip of stand, this AGV lifting mechanism utilizes motor drive gyro wheel and wedge cooperation to slide in order realizing lifting, operates steadily, speed is adjustable, can the stable support load-bearing platform moreover, prevents the condition of slope, guarantees security and the smoothness nature of butt joint in the transportation process.

Drawings

FIG. 1 is a schematic diagram of an AGV lifting mechanism according to the present invention;

fig. 2 is a schematic diagram of a partial structure of an AGV lifting mechanism according to the present invention.

Description of reference numerals:

100-an AGV lifting mechanism, 10-a bracket, 11-a vertical column, 12-a mounting seat, 13-a stop block, 14-a first slide rail, 15-a second slide rail, 20-a bearing platform, 21-a wedge block, 22-an inclined plane, 23-a first slide block, 31-a supporting seat, 32-a roller, 33-a nut seat, 34-a second slide block, 41-a motor, 42-a speed reducer, 421-a driving gear, 422-a driven gear, 44-a lead screw and 441-a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the embodiments described herein are only used for explaining the present invention and are not used for limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection or a removable connection, or may be integral therewith; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 and 2, the present invention provides an AGV lifting mechanism 100, which includes a support 10, wherein two vertical posts 11 are disposed on the support 10, and the two vertical posts 11 are disposed on two sides of the support 10 at an interval in parallel.

The bearing platform 20 is vertically arranged on the upright post 11 in a sliding manner, and the bearing platform 20 is provided with a wedge block 21 with a downward inclined surface 22.

As an embodiment, the upright post 11 is provided with the first slide rail 14, the bearing platform 20 is provided with the first slide block 23, and the first slide block 23 slides in cooperation with the first slide rail 14, so that the structure is simple, the installation is convenient and rapid, the friction is small, the movement is stable, and the impact and the vibration are reduced.

The lifting roller assembly comprises a supporting seat 31 and a roller 32 which is rotatably arranged on the supporting seat 31, the supporting seat 31 is transversely arranged on the bracket 10 in a sliding manner, the roller 32 is abutted against the inclined surface 22 of the wedge block 21 and slides along the inclined surface 22, and a nut seat 33 is arranged on the side surface of the supporting seat 31.

As an embodiment, be provided with second slide rail 15 on the support 10, be provided with second slider 34 on the supporting seat 31, second slider 34 with second slide rail 15 cooperation slides, simple structure, simple to operate is swift, and the friction is little moreover, the motion is steady, reduces impact and vibration.

The driving assembly comprises a motor 41, a speed reducer 42, a transmission assembly and a screw rod 44, an output shaft of the motor 41 is connected with an input shaft of the transmission assembly through the speed reducer 42, the speed reducer 42 can effectively reduce the rotating speed and increase the torque of the motor 41, and the motor 41 is prevented from being damaged by overload, so that the service life of the driving assembly is prolonged; the lead screw 44 is rotatably installed on the bracket 10 and penetrates through the nut seat 33, one end of the lead screw 44 is connected with the output shaft of the transmission assembly, the motor 41 drives the supporting seat 31 to transversely slide on the bracket 10 along the lead screw 44, and the roller 32 rolls along the inclined surface 22 of the wedge block 21, so that the bearing platform 20 vertically slides along the upright post 11.

The utility model discloses utilize gyro wheel 32 with the inclined plane 22 cooperation of wedge 21 can with gyro wheel 32 is in horizontal stroke displacement conversion for load-bearing platform 20 is at vertical ascending displacement, thereby makes load-bearing platform 20 can along the vertical slip of stand 11 is in order to realize lifting, and operate steadily, speed is adjustable, moreover gyro wheel 32 reaches supporting seat 31 can be right wedge 21 reaches load-bearing platform 20's slip degree of freedom is retrained, can the stable support load-bearing platform 20 prevents the condition of slope from appearing, guarantees security and the smoothness nature in the butt joint transportation process.

Specifically, the bracket 10 is provided with an installation seat 12, two ends of the lead screw 44 are rotatably installed on the installation seat 12 through bearings 441, and the front end and the rear end of the installation seat 12 are respectively provided with a stopper 13 for limiting the moving range of the nut seat 33, so as to form mechanical collision avoidance and avoid the situation that the nut seat 33 is collided and damaged due to excessive sliding.

In this embodiment, the transmission assembly includes a driving gear 421 and a driven gear 422 engaged with each other, the driving gear 421 is fixedly connected to an output shaft of the motor 41, the driven gear 422 is fixedly connected to one end of the screw rod 44, and the motor 41 drives the driving gear 421 to rotate and drives the driven gear 422 to rotate, so as to drive the screw rod 44 to rotate.

The utility model also provides an AGV dolly, include as before AGV lifting mechanism 100. The AGV dolly of this embodiment also has above-mentioned beneficial effect, and the repeated description is no longer repeated here.

The above embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. An AGV lifting mechanism is characterized by comprising a support, wherein an upright post is arranged on the support;

the lifting roller assembly comprises a supporting seat and a roller which is rotatably arranged on the supporting seat, the supporting seat is transversely arranged on the bracket in a sliding manner, the roller is abutted against the inclined surface of the wedge block, and a nut seat is arranged on the side surface of the supporting seat;

2. The AGV lifting mechanism according to claim 1, wherein said rack has a mounting base, said lead screw is rotatably mounted to said mounting base through a bearing at each of two ends thereof, and stops are provided at each of front and rear ends of said mounting base for limiting a range of movement of said nut base.

3. An AGV lifting mechanism according to claim 1 wherein said drive assembly includes a drive gear and a driven gear in meshing engagement with each other, said drive gear being fixedly connected to an output shaft of said motor and said driven gear being fixedly connected to one end of said screw.

4. The AGV lifting mechanism of claim 1, wherein said column includes a first slide track and said load-bearing platform includes a first slider, said first slider being slidably engaged with said first slide track.

5. The AGV lifting mechanism of claim 1, wherein the support includes a second slide rail and the support includes a second slide block, the second slide block being slidably engaged with the second slide rail.

6. An AGV trolley comprising an AGV lifting mechanism according to any one of claims 1 to 5.